Rectangular tub



FIG. 1 is a front, top perspective view of a rectangular tub showing my new design.

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a cross-section view of the rectangular tub taken along the line 8-8 shown in FIG. 4; and,

FIG. 9 is a cross-section view of the rectangular tub taken along the line 9-9 shown in FIG. 4. 

CLAIM The ornamental design for a rectangular tub, as shown and described. 